Best Moons
Scott S. Sheppard is an American astronomer who serves as a faculty member at the Carnegie Institution for Science in Washington, D.C. He is recognized in the astronomical community for his extensive discoveries of minor planets, centaurs, and the small moons of the giant planets Jupiter and Saturn....
John R. Spencer is a planetary scientist at the Southwest Research Institute whose work examines the surfaces, atmospheres, and thermal properties of bodies in the outer Solar System. He has conducted influential observations of volcanic activity on Jupiter's moon Io and thermal emission from icy mo...
William Lassell was an English brewer who pursued astronomy and built large reflecting telescopes for observing faint objects. In 1846 he discovered Triton, the largest moon of Neptune. He later discovered Uranus's moons Ariel and Umbriel and co-discovered Saturn's moon Hyperion. Lassell's observati...
Katherine de Kleer is a planetary scientist and astronomer at the California Institute of Technology. Her research examines the surfaces, atmospheres, and internal heating of Solar System bodies, with particular attention to the volcanism and tidal heating of Jupiter's moon Io. She uses observations...
